Circles: Circumference and Area

Front

What is the formula for the circumference of a circle?

Back

Front

What is the formula for the area of a circle?

Back

Front

What does the term 'circumference' refer to?

Back

Circumference refers to the distance around a circle.

Front

What does the term 'area' refer to in the context of a circle?

Back

Area refers to the space inside the circle.

Front

If the radius of a circle is 7 units, what is the area?

Back

Front

If the diameter of a circle is 10 units, what is the circumference?

Back

Front

What is the relationship between diameter and radius?

Back

Front

How do you find the radius if you know the circumference?

Back

Front

What is the approximate value of π?

Back

The approximate value of π is 3.14.

Front

If a circle has an area of 78.5 square feet, what is the radius?

Back